Located in the Gulf of Thailand, Koh Tao and Koh Samui are two of the most famous and popular islands in the country. The ferry service connects the islands in Surat Thani province and lets you travel from Koh Tao to Koh Samui in an affordable way. Discover the Koh Tao to Koh Samui ferry schedule, route, ticket price, and other tips.
When planning a trip by ferry from Koh Tao to Koh Samui, pay attention that there is only one suitable ferry pier on the island of Koh Tao. All ferries to Koh Samui depart from the island's main pier. However, when choosing the ferry, consider not only the schedule and ticket price but also the arrival pier on Koh Samui, as there are 3 piers in different parts of the island.
On the way to Koh Samui, ferries normally stop at Koh Phangan.
Koh Tao Piers for Ferry to Koh Samui
In Koh Tao, there is only 1 pier where you can board a ferry to Koh Samui.
Mae Haad Pier is Koh Tao's main pier, located on the western side of the island (Google Maps). All the ferries depart from this pier.
In Koh Samui, ferries from Koh Tao use 3 piers to disembark passengers. You can choose from Nathon Pier in the northwest of the island, Pralarn Pier in the northern Maenam Beach area, and Bangrak Pier in the northeastern part of Koh Samui.
Koh Tao to Koh Samui Ferry Companies
Several ferry companies operate on the route from Koh Tao to Koh Samui. Ferries travel between Koh Tao and Koh Samui several times a day, and with 3 different ferry companies to choose from, you will normally find plenty of options.
1. Boonsiri High-Speed Catamaran
Boonsiri is a ferry company that offers trips between Koh Tao and Koh Samui on a high-speed catamaran. Better known for serving Koh Chang and other islands in far eastern Thailand, the company has recently launched a new route. Introduced in December 2025, the route starts from Chumphon and heads directly to the three popular islands: Koh Tao, Koh Phangan, and Koh Samui.
Boonsiri is offering two daily ferries to Koh Samui that depart from Mae Haad Pier in Koh Tao.
You can conveniently book ferry tickets here: High-Speed Catamaran Transfer to Koh Samui.
2. Lomprayah Ferry
Lomprayah is the first and the only high-speed ferry operator in Thailand, established in 1999. The company is offering travel between the 3 islands of the Gulf of Thailand. Although Lomprayah fares may not be the lowest that you can find, the price is really worth it for the comfortable and reliable journey. This high-speed ferry is equipped with comfortable seats both inside and outside. There is a shop where you can buy snacks and drinks. There are also many toilets on board and even TVs that play movies.
Lomprayah is offering several daily ferries to Pralarn Pier and Nathon Pier in Koh Samui.
Smaller ferries going to Bangrak Pier are operated by the company Lomlahkkhirin, which is part of Lomprayah.
You can book ferry tickets of this company here: Lomprayah Ferry to Koh Samui (you can also add hotel drop-off as an add-on).
3. Songserm Ferry
Songserm is another ferry company that offers trips from Koh Tao to Koh Samui. The tickets of this company are slightly cheaper than other companies operating on the route charge. However, their ferries are slightly older and slower, and the facilities on board are not that good. The trip on this ferry takes about two and a half hours.
Songserm is offering one daily ferry to Nathon Pier in Koh Samui.
You can book ferry tickets here: Songserm Ferry to Koh Samui.
Another place where you can get tickets for this ferry: Songserm Ferry to Koh Samui.
Ferry Schedule
To plan your trip, explore the timetable of all the main ferry companies operating ferries, catamarans, and speedboats from Koh Tao to Koh Samui.
| Ferry Koh Tao - Koh Samui ฿ 600–44,200 1h 30m – 4h 30m | |
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Ferry Tickets
We would recommend booking your ferry tickets for the trip from Koh Tao to Koh Samui in advance, especially during the high season or before the Full Moon Party in Koh Phangan. The number of ferries is limited, so it is best to have a booking before arriving at the pier. It will guarantee your place on the desired ferry. You can also buy a combo ticket that includes a taxi or minibus transfer from the ferry pier to your hotel in Koh Samui. It can save you time and effort as you receive door-to-door service.
Explore different transportation options for the trip from Koh Tao to Koh Samui, and book tickets by using this search form.
Speedboat from Koh Tao to Koh Samui
Another alternative to travel between Koh Tao and Koh Samui is by private speedboat. It is an ideal option if you are traveling with a group of friends or family or you’re just in need of a little luxury. Speedboats are fast and flexible, so they are especially recommended when your arrival time doesn’t coincide with the ferry timetables. There are many companies offering private speedboats between Koh Tao and Koh Samui. The journey by speedboat takes about 1 hour.
There are also a number of scheduled speedboat departures throughout the day. You can book speedboat tickets online here: Speedboats between Koh Tao and Koh Samui.